diff --git a/17EGICS110_ Assignment 7_Q3.cpp b/17EGICS110_ Assignment 7_Q3.cpp
new file mode 100644
index 0000000..e7ad0ca
--- /dev/null
+++ b/17EGICS110_ Assignment 7_Q3.cpp	
@@ -0,0 +1,21 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main(){
+int n,i;
+cin>>n;
+int a[n];
+map<int ,int >m;
+for (i=0;i<n;i++){
+    cin>>a[i];
+    m[a[i]]++;
+}
+int o;
+o=m.size();
+if (o==n)
+    cout<<"false"<<endl;
+else
+    cout<<"true"<<endl;
+return 0;
+}